Electronic cigarette



FIG. 1 is a perspective view of an electronic cigarette;

FIG. 2 is a front view of the electronic cigarette;

FIG. 3 is a rear view of the electronic cigarette;

FIG. 4 is a left side view of the electronic cigarette;

FIG. 5 is a right side view of the electronic cigarette;

FIG. 6 is a top view of the electronic cigarette; and,

FIG. 7 is a bottom view of the electronic cigarette. 

CLAIM The ornamental design for an electronic cigarette, as shown and described. 